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发表于 2007-11-23 20:52:21
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来自： 中国江苏苏州
Starrett® Ground Tool Steel SAE 0-16 c9 B4 W, ] w. C
Oil hardenable steel alloy recommended for dies, punches, gauges and tools. It should be used where a greater degree of accuracy is desired in hardening. Its precise diameter and smooth finish make it excellent for use as steel shafting. Also referred to as "Silver Steel" in England 5 {- b1 X8 \$ U/ {0 w9 r
7 s6 z9 F, S3 i' ?8 i/ m7 AHeat Treatment:
" i, s; ~7 U% `+ C0 w Y" ~For cross sections smaller than 1/4” heat to 1450º - 1475ºF (788º - 802ºC) and hold until heated through. For larger sections, preheat to 1200ºF (649ºC), then raise to 1450º - 1500ºF (788º - 815ºC) hardening temperature, hold half an hour per inch of cross section. Quench in oil at 125º-150ºF (52º- 65ºC) and TEMPER IMMEDIATELY. |
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